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Form 391 (01.13) ©SOR Inc.

1/12

These instructions provide information for installation,

electrical connection, process connection and calibration

of 103 Differential Pressure Switches.

Process pressure is sensed by a diaphragm and piston

assembly. The piston responds to differential pressure and

moves a lever that is connected to a torsionally

stiff cross shaft. One end of the cross shaft is

connected to a lever that is biased

by the range spring. The other

end has a lever that actuates

(deactuates) an electrical switching element.

NOTE: If you suspect that a product is defective, contact the

factory or the SOR Representative in your area for a return

authorization number.

This product should only be installed by

trained and competent personnel.

103

Differential Pressure Switch

General Instructions

Registered Quality System to ISO 9001

Design and

specifications are

subject to change

without notice.

For latest revision, go to

www.sorinc.com

Table of Contents

Installation ....................................... 1

SIL Installation ..................................2

Process Connection ............................2

Electrical Connection ...........................3

Special Conditions ..............................4

Calibration .......................................5

Dimensions Series 103-212 ...................6

Dimensions Series 103-502, 805 ............8

ATEX Information ............................. 10

Declaration of Conformity ................... 11

Installation

Use care during installation. Do not inadvertently move the electrical

switching element or its housing. Movement of either could disturb the

relative positions of internal working parts and alter calibration or render

the device inoperative.

This product should only be installed by trained and competent personnel.

Securely mount the pipe kit bracket or base plate as supplied to horizontal member

of pipe stanchion, channel rack or flat surface using suitable bolts. The 103 is not

position sensitive. It may be mounted in any position.

assembly

The

piston

respo

moves a lever th

stiff cross shaft.

1 2 3 4 5 6 ... 11 12

Resumo do Conteúdo

Página 1 - Differential Pressure Switch

Form 391 (01.13) ©SOR Inc. 1/12These instructions provide information for installation, electrical connection, process connection and calibration of 1

Página 2 - Process Connection

10/12Form 391 (01.13) ©SOR Inc. General Information for ATEX-Certi ed ModelsPiston-Spring DesignatorsAdjustable Range Increasing Differential Pressur

Página 3 - Electrical Connection

Página 4

12/12Form 391 (01.13) ©SOR Inc. 14685 West 105th Street, Lenexa, KS 66215  913-888-2630  800-676-6794 USA  Fax 913-888-0767Registered Quality

Página 5 - Calibration

2/12Form 391 (01.13) ©SOR Inc. Process ConnectionThe high pressure side (marked Hi) has two 1/4” NPT(F) process connections. The low pressure side (ma

Página 6 - Dimensions — Series 103-212

Form 391 (01.13) ©SOR Inc. 3/12Electrical ConnectionWeathertight Models: Interrupt electrical power. Remove the top cover plate. Terminal block is sta

Página 7 - Drawing 0090493

4/12Form 391 (01.13) ©SOR Inc.  The terminal box to which the equipment is attached must, together with the switch, ensure the requisite thread eng

Página 8 - Drawing 0090490

Form 391 (01.13) ©SOR Inc. 5/12CalibrationDo not remove other covers or attempt to adjust other parts of the mechanism. All have been precisely positi

Página 9 - Drawing 0090492

6/12Form 391 (01.13) ©SOR Inc. Dimensions — Series 103-212Linear = mm/inchesDrawing 0090491Dimensions in this literature are for reference only. C

Página 10 - Drawing 8304205

Form 391 (01.13) ©SOR Inc. 7/12 (AS & JS dimensions are the same as AD except the required junction box is not shown because of the dimensional

Página 11 - of Conformity

8/12Form 391 (01.13) ©SOR Inc. Dimensions — Series 103-502, 805Dimensions in this catalog are for reference only. Contact the factory for certifie

Página 12 - Printed in USA www.sorinc.com

Form 391 (01.13) ©SOR Inc. 9/12 11.50.45A63.52.50A31.81.256.40.2571.42.8112.00.4795.33.7535.71.4171.42.8166.72.63133.45.25153.66.0535.61.4071.12.80

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